Model Number
HT645B01
HIGH TEMPERATURE 4-20 MA OUTPUT ACCELEROMETER
Revision: A
ECN #: 49753
P erfo rm an ce
EN G L ISH
SI
Measurement Range
0.0 to 5 g rms
0.0 to 49 m/s² rms
[1]
Output
4-20 mA
4-20 mA
Frequency Range(± 10 %)
180 to 300 kcpm
3 to 5 kHz
[2][3]
Broadband Resolution
0.025 g rms
0.24 m/s² rms
[4]
Non-Linearity
± 1 %
± 1 %
En viro n m en tal
Temperature Range
-40 to 257 °F
-40 to 125 °C
Enclosure Rating
IP68
IP68
Electrical
Excitation Voltage
12 to 30 VDC
12 to 30 VDC
Load Resistance
50(Vs-12) Ohm
50(Vs-12) Ohm
Settling Time(within 2% of value)
< 15 sec
< 15 sec
Electrical Isolation(Case)
> 10
8
Ohm
> 10
8
Ohm
P h ysical
Size - Hex
1.0 in
25.4 mm
Size - Height
2.6 in
66 mm
Weight
4.7 oz
131 gm
Mounting Thread
1/4-28 UNF
No Metric Equivalent
Mounting Torque
3 to 5 ft-lb
4 to 7 Nm
Sensing Element
Ceramic
Ceramic
Sensing Geometry
Shear
Shear
Housing Material
Stainless Steel
Stainless Steel
Sealing
Welded Hermetic
Welded Hermetic
Electrical Connector
2-Pin MIL-C-5015
2-Pin MIL-C-5015
Electrical Connection Position
Top
Top
Electrical Connections(Pin A)
4-20 mA Pos (+)
4-20 mA Pos (+)
Electrical Connections
(Pin B)
4-20 mA Neg (-)
4-20 mA Neg (-)
[5]
All specifications are at room temperature unless otherwise specified.
In the interest of constant product improvement, we reserve the right to change specifications without notice.
ICP
®
is a registered trademark of PCB Piezotronics, Inc.
M
- Metric Mount
Supplied Accessory: Model M081A61 Mounting Stud 1/4-28 to M6 X 1 (1)
RV
- Buffered Analog Signal Output - 100 mV/g
(±20%)
Electrical Connector
3-Pin MIL-C-5015
3-Pin MIL-C-5015
Electrical Connections
4-20 mA Pos (+)
4-20 mA Pos (+)
Electrical Connections
4-20 mA Neg/Signal Output
Neg
4-20 mA Neg/Signal Output
Neg
Electrical Connections
Signal Output Pos
Signal Output Pos
OP TION A L VERSION S
Optional versions have identical specifications and accessories as listed for the standard model
except where noted below. More than one option may be used.
N OTES:
[1]Conversion Factor 1g = 9.81 m/s².
[2]Current will fluctuate at frequencies below 5 Hz.
[3]1Hz = 60 cpm (cycles per minute).
[4]Typical.
[5]See PCB Declaration of Conformance PS039 for details.
Date: 07/24/2019
Date: 07/24/2019
Date: 07/24/2019
Date: 07/24/2019
38985
Entered: LK
Engineer: NJF
Sales: MC
Approved: NJF
Spec Number:
P h o n e: 800-959-4464
F ax: 716-684-3823
E-M ail: im i@ p cb .co m
3425 Walden Avenue, Depew, NY 14043
SU P P L IED A C C ESSORIES:
Model M081A61 Mounting Stud 1/4-28 to M6 X 1 (1)
Model 081A40 Mounting Stud (1)
Model ICS-4 NIST-traceable single-axis amplitude response calibration from 0 cpm (0 Hz) to
upper 10% frequency for 4 - 20 mA output vibration sensor (1)